短語詞組短語telescopic hydraulic cylinder 多級液壓缸telescopic oil cylinder 伸縮油缸double telescopic hydraulic cylinder 雙伸縮液壓缸-stage telescopic hydraulic cylinder 四級伸縮液壓缸multi -stage and telescopic hydraulic cylinder 前頂式多節(jié)伸縮單作用油缸4 -stage telescopic hydraulic cylinder 四級伸縮液壓缸telescopic cylinder group 伸縮氣缸組Stroke telescopic cylinder 多節(jié)油缸行程telescoping cylinder telescopic cylinder 套筒式液壓缸 返回 telescopic cylinder